wake up on the wrong side of (the) bed

To be in a particularly and persistently irritable, unhappy, or grouchy mood or state, especially when it is not in line with one's normal disposition. I'm sorry I snapped at you earlier, I think I just woke up on the wrong side of the bed today. Jeez, the boss has been in a really bad mood all day. I guess he must have woken up on the wrong side of bed!

See also: bed, of, on, side, up, wake, wrong

See also:

get up on the wrong side of (the) bed
get up on the wrong side of bed
got up on the wrong side of bed
get out of the wrong side of (the) bed
get out of bed on the wrong side
get out of bed the wrong side
out of humor
out of humour
out of sorts
feel out of sorts

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